26842638 has 8 divisors (see below), whose sum is σ = 53685288. Its totient is φ = 8947544.

The previous prime is 26842619. The next prime is 26842663. The reversal of 26842638 is 83624862.

It is a sphenic number, since it is the product of 3 distinct primes.

26842638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 26842596 and 26842605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236881 + ... + 2236892.

It is an arithmetic number, because the mean of its divisors is an integer number (6710661).

Almost surely, 2^26842638 is an apocalyptic number.

26842638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26842638 is a wasteful number, since it uses less digits than its factorization.

26842638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473778.

The product of its digits is 110592, while the sum is 39.

The square root of 26842638 is about 5180.9881296911. The cubic root of 26842638 is about 299.4160418248.

The spelling of 26842638 in words is "twenty-six million, eight hundred forty-two thousand, six hundred thirty-eight".